test/superframe_test.cc

   1 /*
   2  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
   3  *
   4  * This source code is subject to the terms of the BSD 2 Clause License and
   5  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
   6  * was not distributed with this source code in the LICENSE file, you can
   7  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
   8  * Media Patent License 1.0 was not distributed with this source code in the
   9  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
  10 */
  11
  12 #include <climits>
  13 #include <vector>
  14 #include "third_party/googletest/src/googletest/include/gtest/gtest.h"
  15 #include "test/codec_factory.h"
  16 #include "test/encode_test_driver.h"
  17 #include "test/i420_video_source.h"
  18 #include "test/util.h"
  19
  20 namespace {
  21
  22 const int kTestMode = 0;
  23 const int kTileCols = 1;
  24 const int kTileRows = 2;
  25
  26 typedef std::tr1::tuple<libaom_test::TestMode, int, int> SuperframeTestParam;
  27
  28 class SuperframeTest
  29     : public ::libaom_test::CodecTestWithParam<SuperframeTestParam>,
  30       public ::libaom_test::EncoderTest {
  31  protected:
  32   SuperframeTest() : EncoderTest(GET_PARAM(0)), last_sf_pts_(0) {}
  33   virtual ~SuperframeTest() {}
  34
  35   virtual void SetUp() {
  36     InitializeConfig();
  37     const SuperframeTestParam input = GET_PARAM(1);
  38     const libaom_test::TestMode mode = std::tr1::get<kTestMode>(input);
  39     SetMode(mode);
  40     sf_count_ = 0;
  41     sf_count_max_ = INT_MAX;
  42     n_tile_cols_ = std::tr1::get<kTileCols>(input);
  43     n_tile_rows_ = std::tr1::get<kTileRows>(input);
  44   }
  45
  46   virtual void PreEncodeFrameHook(libaom_test::VideoSource *video,
  47                                   libaom_test::Encoder *encoder) {
  48     if (video->frame() == 1) {
  49       encoder->Control(AOME_SET_ENABLEAUTOALTREF, 1);
  50       encoder->Control(AOME_SET_CPUUSED, 2);
  51       encoder->Control(AV1E_SET_TILE_COLUMNS, n_tile_cols_);
  52       encoder->Control(AV1E_SET_TILE_ROWS, n_tile_rows_);
  53 #if CONFIG_LOOPFILTERING_ACROSS_TILES
  54 #if CONFIG_LOOPFILTERING_ACROSS_TILES_EXT
  55       encoder->Control(AV1E_SET_TILE_LOOPFILTER_V, 0);
  56       encoder->Control(AV1E_SET_TILE_LOOPFILTER_H, 0);
  57 #else
  58       encoder->Control(AV1E_SET_TILE_LOOPFILTER, 0);
  59 #endif  // CONFIG_LOOPFILTERING_ACROSS_TILES_EXT
  60 #endif  // CONFIG_LOOPFILTERING_ACROSS_TILES
  61     }
  62   }
  63
  64   virtual const aom_codec_cx_pkt_t *MutateEncoderOutputHook(
  65       const aom_codec_cx_pkt_t *pkt) {
  66     if (pkt->kind != AOM_CODEC_CX_FRAME_PKT) return pkt;
  67
  68     const uint8_t *buffer = reinterpret_cast<uint8_t *>(pkt->data.frame.buf);
  69     const uint8_t marker = buffer[0];
  70     const int frames = (marker & 0x7) + 1;
  71     const int mag = ((marker >> 3) & 3) + 1;
  72     const unsigned int index_sz = 2 + mag * (frames - 1);
  73     if ((marker & 0xe0) == 0xc0 && pkt->data.frame.sz >= index_sz &&
  74         buffer[index_sz - 1] == marker) {
  75       // frame is a superframe. strip off the index.
  76       modified_buf_.resize(pkt->data.frame.sz - index_sz);
  77       memcpy(&modified_buf_[0], (uint8_t *)pkt->data.frame.buf + index_sz,
  78              pkt->data.frame.sz - index_sz);
  79       modified_pkt_ = *pkt;
  80       modified_pkt_.data.frame.buf = &modified_buf_[0];
  81       modified_pkt_.data.frame.sz -= index_sz;
  82
  83       sf_count_++;
  84       last_sf_pts_ = pkt->data.frame.pts;
  85       return &modified_pkt_;
  86     }
  87
  88     // Make sure we do a few frames after the last SF
  89     abort_ |=
  90         sf_count_ > sf_count_max_ && pkt->data.frame.pts - last_sf_pts_ >= 5;
  91     return pkt;
  92   }
  93
  94   int sf_count_;
  95   int sf_count_max_;
  96   aom_codec_cx_pkt_t modified_pkt_;
  97   std::vector<uint8_t> modified_buf_;
  98   aom_codec_pts_t last_sf_pts_;
  99
 100  private:
 101   int n_tile_cols_;
 102   int n_tile_rows_;
 103 };
 104
 105 TEST_P(SuperframeTest, TestSuperframeIndexIsOptional) {
 106   sf_count_max_ = 0;  // early exit on successful test.
 107   cfg_.g_lag_in_frames = 25;
 108 #if CONFIG_EXT_TILE
 109   cfg_.large_scale_tile = 1;
 110 #endif  // CONFIG_EXT_TILE
 111   ::libaom_test::I420VideoSource video("hantro_collage_w352h288.yuv", 352, 288,
 112                                        30, 1, 0, 40);
 113   ASSERT_NO_FATAL_FAILURE(RunLoop(&video));
 114   // NOTE: The use of BWDREF_FRAME will enable the coding of more non-show
 115   //       frames besides ALTREF_FRAME.
 116   EXPECT_GE(sf_count_, 1);
 117 }
 118
 119 // The superframe index is currently mandatory with both ANS and DAALA_EC due
 120 // to the decoder starting at the end of the buffer.
 121 #if CONFIG_EXT_TILE
 122 // Single tile does not work with ANS (see comment above).
 123 const int tile_col_values[] = { 1, 2 };
 124 const int tile_row_values[] = { 1, 2, 32 };
 125 AV1_INSTANTIATE_TEST_CASE(
 126     SuperframeTest,
 127     ::testing::Combine(::testing::Values(::libaom_test::kTwoPassGood),
 128                        ::testing::ValuesIn(tile_col_values),
 129                        ::testing::ValuesIn(tile_row_values)));
 130 #endif  // CONFIG_EXT_TILE
 131 }  // namespace